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參數(shù)資料
| 型號(hào)： | MAX5482EUD+ |
| 廠商： | Maxim Integrated Products |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DGTL POT 10BIT NV 14-TSSOP |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 96 |
| 接片： | 1024 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 35 ppm/°C |
| 存儲(chǔ)器類(lèi)型： | 非易失 |
| 接口： | 4 線串行（芯片選擇，遞增，增/減） |
| 電源電壓： | 2.7 V ~ 5.25 V，±2.5 V ~ 5.25 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 14-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 14-TSSOP |
| 包裝： | 管件 |
| 產(chǎn)品目錄頁(yè)面： | 1399 (CN2011-ZH PDF) |
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AVAILABLE
Functional Diagrams
Pin Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maximintegrated.com.
General Description
The MAX5481–MAX5484 10-bit (1024-tap) nonvolatile,
linear-taper, programmable voltage-dividers and vari-
able resistors perform the function of a mechanical
potentiometer, but replace the mechanics with a pin-
configurable 3-wire serial SPI-compatible interface or
up/down digital interface. The MAX5481/MAX5482 are
3-terminal voltage-dividers and the MAX5483/MAX5484
are 2-terminal variable resistors.
The MAX5481–MAX5484 feature an internal, non-
volatile, electrically erasable programmable read-only
memory (EEPROM) that stores the wiper position for ini-
tialization during power-up. The 3-wire SPI-compatible
serial interface allows communication at data rates up
to 7MHz. A pin-selectable up/down digital interface is
also available.
The MAX5481–MAX5484 are ideal for applications
requiring digitally controlled potentiometers. Two end-to-
end resistance values are available (10kΩ and 50kΩ) in a
voltage-divider or a variable-resistor configuration (see
the
Selector Guide). The nominal resistor temperature
coefficient is 35ppm/°C end-to-end, and only 5ppm/°C
ratiometric, making these devices ideal for applications
requiring low-temperature-coefficient voltage-dividers,
such as low-drift, programmable gain-amplifiers.
The MAX5481–MAX5484 operate with either a +2.7V to
+5.25V single power supply or ±2.5V dual power sup-
plies. These devices consume 400A (max) of supply
current when writing data to the nonvolatile memory
and 1.0A (max) of standby supply current. The
MAX5481–MAX5484 are available in a space-saving
(3mm x 3mm), 16-pin TQFN, or a 14-pin TSSOP pack-
age and are specified over the extended (-40°C to
+85°C) temperature range.
Applications
Features
1024 Tap Positions
Power-On Recall of Wiper Position from
Nonvolatile Memory
16-Pin (3mm x 3mm x 0.8mm) TQFN or 14-Pin
TSSOP Package
35ppm/°C End-to-End Resistance Temperature
Coefficient
5ppm/°C Ratiometric Temperature Coefficient
10kΩ and 50kΩ End-to-End Resistor Values
Pin-Selectable SPI-Compatible Serial Interface or
Up/Down Digital Interface
1A (max) Standby Current
Single +2.7V to +5.25V Supply Operation
Dual ±2.5V Supply Operation
10-Bit, Nonvolatile, Linear-Taper Digital
Potentiometers
Ordering Information
16
15
14
13
VSS
N.C.
VDD
GND
9
10
11
12
SPI/UD
DIN(U/D)
SCLK(INC)
CS
4
3
2
1
N.C.
L
W
H
5
+
**EP
*EP
6
7
8
N.C.
VSS
INTERFACE
TOP VIEW
TQFN
*SEE FUNCTIONAL DIAGRAM
**CONNECT EXPOSED PAD TO VSS
*CONNECT EXPOSED PAD TO VSS
16
15
14
13
VSS
N.C.
VDD
GND
9
10
11
12
SPI/UD
DIN(U/D)
SCLK(INC)
CS
4
3
2
1
N.C.
L
W
D.N.C.
5
6
7
8
N.C.
VSS
MAX5483
MAX5484
INTERFACE
TQFN
MAX5481*
MAX5482*
Pin Configurations
PART
PIN-PACKAGE
TOP MARK
MAX5481ETE+
16 TQFN-EP*
ACP
MAX5481EUD+
14 TSSOP
—
Selector Guide appears at end of data sheet.
SPI is a trademark of Motorola, Inc.
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
+
Denotes a lead(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
Ordering Information continued at end of data sheet.
Pin Configurations continued at end of data sheet.
Gain and Offset
Adjustment
LCD Contrast Adjustment
Pressure Sensors
Low-Drift Programmable
Gain Amplifiers
Mechanical Potentiometer
Replacement
MAX5481–MAX5484
19-3708; Rev 5; 4/10
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX5482EUD+ | 功能描述:數(shù)字電位計(jì) IC 10-Bit Nonvolatile Linear-Taper RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5482EUD+T | 功能描述:數(shù)字電位計(jì) IC 10-Bit Nonvolatile Linear-Taper RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5482EUD-T | 功能描述:數(shù)字電位計(jì) IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5483ETE | 功能描述:數(shù)字電位計(jì) IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| MAX5483ETE+ | 功能描述:數(shù)字電位計(jì) IC 10-Bit Nonvolatile Linear-Taper RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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